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Finding the Fourth Proportional to 6,387,959.64, 8,814,854.64 and 3,633,914.28

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Solution

The fourth proportional to 6,387,959.64, 8,814,854.64 and 3,633,914.28 is: 5,014,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,959.64 : 8,814,854.64 = 3,633,914.28 : x
  2. Step 2: Convert to fraction form
    6,387,959.64/8,814,854.64 = 3,633,914.28/x
  3. Step 3: Cross multiply
    6,387,959.64x = 8,814,854.64 × 3,633,914.28
  4. Step 4: Simplify right side
    6,387,959.64x = 32,032,426,152,420.26
  5. Step 5: Solve for x
    x = 32,032,426,152,420.26/6,387,959.64
  6. Step 6: Final answer
    x = 5,014,500.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.